When was the church founded? Did it begin at Pentecost, at Jesus’ declaration in Matthew 16:18 18 And I also say unto thee, that thou art Peter, and upon this rock I will build my church; and the gates of Hades shall not prevail against it. , or at some other time? From one of our Ask Ligonier events, Derek Thomas takes all of Scripture into account with his answer. Ask your biblical and theological questions live online at https://ask.ligonier.org/